An analysis is made of the corrosion of the ammonium carbamate condenser(E104) in the ammonia stripping urea process, and relevant corrosion preventive measures are proposed.

• 本文就氨气提尿素工艺中甲铵冷凝器（E104）的腐蚀问题进行了剖析，提出相应防腐措施。